Excitation

n.	1.	The act of exciting or putting in motion; the act of rousing up or awakening.
	2.	(Physiol.) The act of producing excitement (stimulation); also, the excitement produced.

Noun	1.	excitation - the state of being emotionally aroused and worked up; "his face was flushed with excitement and his hands trembled"; "he tried to calm those who were in a state of extreme inflammation" Synonyms: fervour, inflammation, excitement, fervor
	2.	excitation - the neural or electrical arousal of an organ or muscle or gland Synonyms: innervation, irritation
	3.	excitation - something that agitates and arouses; "he looked forward to the excitements of the day" Synonyms: excitement

emotional arousal, excite, excitement, exciting, fervor, fervour, fever pitch, inflammation, sensation, shake, shake up, stimulate, stir, unexciting